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Position: Home > Articles > Study on the Spatial Distribution and Mathematics Models of Codling Moth Journal of Xinjiang Agricultural University 2007,30 (1) 40-43

苹果蠹蛾空间分布型及数学消长模型研究

作  者:
林伟丽;于江南;薛光华
单  位:
新疆农业大学农学院;新疆出入境动植物检验检疫局
关键词:
香梨;苹果蠹蛾;空间分布型;数学模型
摘  要:
为进一步了解苹果蠹蛾(Cydia pomonellaL.)的生态学习性,对该虫在香梨园的空间分布型及其数学消长模型进行了研究。结果表明:苹果蠹蛾在田间的空间分布型受密度的影响较大:成虫在平均密度m≤3时,个体间相互吸引,分布的基本成分为个体群,呈聚集分布,且聚集强度随种群密度的升高而增加;在m>3时,个体间相互排斥,呈均匀分布;构建了苹果蠹蛾的数学消长模型:越冬代Nt=0.02669.t3.07095.e-0.26881t;第一代Nt=5.27497×10-7.t6.70833.e-0.24771t。
译  名:
Study on the Spatial Distribution and Mathematics Models of Codling Moth
作  者:
LIN Wei-li1,YU Jiang-nan1,XUE Guang-hua2(1.College of Agronomy,Xinjiang Agricultural University,Urumqi,830052;2.Xinjiang Entry & Exit Animal and Plant Inspection and Quarantine Bureau of the People's Republic of China,Urumqi,830063)
关键词:
fragrant pear;codling moth;pheromone;spatial distribution;mathematics model
摘  要:
The paper studies spatial distribution and the mathematical model of codling moth in time sequence of population dynamics in order to know its ecological habits and characteristics in the fragrant pear orchard.The results showed the distribution pattern was influenced by the density of codling moth,when average density of codling moth adult is m≤3,distributing basic element is massing of individual and massing intension would increase along with increase of gropes density,but when there is m>3 there,the individuals will repel one another.The mathematical models are as follows: codling moth of winter generation Nt=0.02669 · t3.07095·e-0.26881t,the first generation codling moth Nt=5.27497×10-7·t6.70833·e-0.24771t.

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